== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 20:45:28 (1770687928)
old_iused=        448 
total: 1000 open/close in 4.03 seconds: 247.99 ops/second
suppose current old_iused=1448
create_count=32, max_create_count=20000
 - unlinked 0 (time 1770687937 ; total 0 ; last 0)
total: 1000 unlinks in 2 seconds: 500.000000 unlinks/second
sleep 5 for ZFS MDS
sleep 5 for ZFS OST
Waiting for MDT destroys to complete
sleep 20 for ZFS MDS
        440  
waited 1 sec, old Iused 1448, new Iused         440